Home / 218,053.26-327,218.46-112,872.33

Finding the Fourth Proportional to 218,053.26, 327,218.46 and 112,872.33

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Solution

The fourth proportional to 218,053.26, 327,218.46 and 112,872.33 is: 169,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,053.26 : 327,218.46 = 112,872.33 : x
  2. Step 2: Convert to fraction form
    218,053.26/327,218.46 = 112,872.33/x
  3. Step 3: Cross multiply
    218,053.26x = 327,218.46 × 112,872.33
  4. Step 4: Simplify right side
    218,053.26x = 36,933,909,999.21
  5. Step 5: Solve for x
    x = 36,933,909,999.21/218,053.26
  6. Step 6: Final answer
    x = 169,380.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.